Htc Engineer Mode Kodu. Click on the turn radio off button. Be careful to use this app this is high level app and if you are amateur then must go through flowing searches.
Scroll down to cds information 5. Phone1 phone2 in that select phone2 because in most of these chinese cloned phone the 1st sim which is a 3g will work perfectly. At the bottom of this screen you will see.
Your phone will prompt you to.
Different devices use different codes but this one should work on most of them 4636. Using these codes you can enter samsung engineering mode test the network diagnose the hardware and get key information about your samsung phone to galaxy tab. Klini na audio vyber normal mode. Mtk engineering mode app apk working on max of the mobile phones samsung htc mi xiaomi lg etc.